Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901802 | Hydraulic passages for oil pump for speed reducer used in electric vehicles | Tozo Yamada, Akihiro Morita, Hiroyoshi Ario | 1999-05-11 |
| 4381050 | Vacuum modulator arrangement for an automatic transmission | Kunio Ohtsuka, Kenichi Sakamoto | 1983-04-26 |
| 4369865 | Lock-up control system for a torque converter | Kunio Ohtsuka | 1983-01-25 |
| 4305487 | Lock-up torque converter with damper | — | 1981-12-15 |
| 4301900 | Lock-up torque converter with clutch piston engageable with converter cover | Kunio Ohtsuka | 1981-11-24 |
| 4270636 | Lock-up control system for a torque converter including a timing arrangement | Kunio Ohtsuka | 1981-06-02 |
| 4266641 | Look-up torque converter with compact arrangement of damper | — | 1981-05-12 |
| 4188707 | Semiconductor devices and method of manufacturing the same | Masaru Asano, Tetsushi Sakai | 1980-02-19 |